Team:McMasterU/Description

McMasterU

Description

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Project Description

The increasing prevalence of multidrug-resistant and hypervirulent bacterial strains represents a growing global healthcare concern. However, early detection of pathogenic microbes allow for timely care of patients and the prevention of infectious strains proliferation. In the face of the current challenges in profiling bacterial infections, we are designing a fast and user-friendly detection assay using fluorogenic DNAzymes as the molecular probe. Our fluorogenic DNAzymes are single-stranded functionalized DNA capable of cleaving a fluorophore-quencher construct specifically in the presence of E. coli. Upon cleavage, the quencher can no longer suppress the fluorophore, resulting in intense fluorescence. This fluorescence intensity can be also used to quantify the amount of E. coli, and potentially achieve strain-specific recognition. Our novel approach to early pathogen detection technology can potentially enhance our ability to respond to disease outbreaks from infectious bacteria.